Qalculate! is a multi-purpose desktop calculator for GNU/Linux. Qalculate! project is small and simple to use but with much power and versatility underneath.

Features include customizable functions, units, arbitrary precision, plotting, and a user-friendly interface (KDE or GTK+).

Here are some key features of "Qalculate":

· Redesigned GUI with history view in the main window· Display of as-you-type expression parsing and function hints· Enhanced completion· Scaling of result display to vertically fit the window· Nicer history listing· Enhanced result display with much nicer parentheses· Meta modes· 67 new units: bel (B) and neper (Np), information units such as bit and byte, many convenience units (km/h, deciliter, etc), and more.· Binary prefixes· Some new variables and functions· Fixed help display in new yelp· Fixed compile with cln-1.1.10· Fixed regressions in simplification· Fixed f(x) return type analysis (ex. log(x) represents a real number if x represents a positive). This was by accident unused.· ...and many more bug fixes and enhancements...